Questions tagged [united-states]

Use this tag for Questions which are specific to the country of the United States of America (USA), Do not use for United States Virgin Islands (VIR)

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2answers
79 views

US Geological Survey Standard Projection?

Is there a standard or default projection on maps created by the US Geological Survey (USGS)?
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2answers
77 views

Looking for the Coords of US Map Boundaries

I am writing a program that needs a list of coordinates for the boundaries of the US. I can only find states individually but not the whole country. This is an example of the boundaries for Alabama. {...
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0answers
258 views

Dataset in NJ, US

I need datasets in shapefile format including roadbed, building footprint and building roof height for Jersey City, NJ. I checked everywhere I could online. State, county and local GIS departments, as ...
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1answer
126 views

Why are some places missing from US Census Gazetter data?

I'm looking at the file I downloaded from the US Census here (2010 Census Gaz Places data), and I notice that a lot of cities are missing. For example, Montague, MA is completely missing. However, I ...
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2answers
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Where can I find hydroelectric generation data for the U.S.?

It is my understanding that the US Army Corps of Engineers has some hydro generation data on their various websites (divisions, districts). For example, there is real-time hydro-electric data ...
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1answer
43 views

Historic (and current) borders of Miami, FL

I am working from Australia and am new to US mapping and Census data. I am looking for historic boundaries of Miami (FL) from maybe 100-200 years ago. Also current boundaries would be great - what ...
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1answer
122 views

Resolution of NED (National Elevation Dataset)

I downloaded some DEMs from the USGS with a resolution of 1/3 degrees for different areas in the US. Now I am looking at the files and saw that all DEMs have the same number of columns and rows. I ...
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1answer
136 views

Where can I find data on Vegetarian Restaurants in the US?

I'm doing a GIS project on Vegetarianism and I'd like to include all of the vegetarian restaurants in the United States. I haven't been able to find anything like it, or even data on all restaurants, ...
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4answers
3k views

Now that NationalAtlas.Gov is retired/removed, where is the largest source of public shapefiles for the USA?

I used nationalatlas.gov for many years, downloading various shapefiles regarding water, roads, boundaries, environmental factors, and more. NationalAtlas.gov was a central public site that many GIS ...
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1answer
679 views

Regional Large Scale Map Projection Choice

I am currently designing a geospatial product that will be primarily used for large and intermediate scales that cover an entire state of the US or more. The UTM projection would be ideal because of ...
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1answer
281 views

Troubleshooting with Tiger for d3 — is this the wrong projection? Why's it look like this?

UPDATE: Solved, sort of … I downloaded the file afresh and tried feeding it through ogr2ogr and topojson again … and wouldn't you know … after a while it worked. I think I was possibly not setting an ...
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1answer
284 views

Difference between NAD83 Indiana SPW in QGIS and ArcGIS for Desktop?

It seems ESRI and QGIS don't have the same definition for my most commonly used projection, NAD83 StatePlane Indiana West (US ft). When I create data in an ESRI product the projection shows up in ...
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1answer
1k views

Proper projected coordinate system for Minnesota for measuring areas

I have seen in ArcGIS many different State Plane systems for Minnesota (location coordinates in WGS84: 44,07 lat/-94,61 long) within the Projected Coordinate system group: NAD 1983 (CORS 96) (Meters) ...
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2answers
68 views

Standard for identifying cities?

I was doing a research project a little while ago and found out about FIPS 6-4 which is used to identify counties in the United States. I also understand that this standard is a bit out of date. Is ...
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2answers
346 views

Choosing projection to use for Least-Cost Path analysis at continental scale?

I am trying to find least cost paths from the southern USA to the Great Lakes region (for example). My resistance layers are currently in an equal area projection but I'm wondering if I should convert ...
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1answer
3k views

What type of data is available at the “census block” level? [duplicate]

I'm curious what is available at the 'Census Block' level, the finest scale. I found this dataset: http://www2.census.gov/geo/tiger/TIGER2010/TABBLOCK/2010/ It contains HOUSING10 and POP10, ...
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1answer
198 views

1990 US Census Block Boundary File?

Does anyone here know of a source from which 1990 Census Block polygons can be downloaded? For Illinois, specifically, if not for the entire country? The Census Bureau has "no plans to create Block ...
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1answer
182 views

Is pre-1990 historical block-level census data available online?

I'm looking for historical block-level data for Chicago. According to this Census bureau document, historical block-level census data exists for major cities going back to 1960, and even back to ...
2
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1answer
2k views

Where could I download Income data at the Block Group level… census data [duplicate]

Where could I download Income data at the Block Group level, actually I'm not sure where or how to download it at the tract level either. I would be interested in the most recent data that is ...
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3answers
421 views

USA County level, detailed OpenStreetMap basemap in tiff?

Is there any way to get detailed (close zoom) OSM tiffs at the county level in the USA? I would like to use them as basemaps for a class I am teaching in GIS, using QGIS. I know about (and love) the ...
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0answers
234 views

Get house addresses within polygon?

Is there a data source/service for the USA where, if we provide a polygon, it provides the addresses of all houses contained within it? I just want to know if this type of functionality or similar to ...
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3answers
683 views

Geographical media coverage map - USA

I'd like to know if there are some maps giving the geographical coverage of the media publication, for example, a map giving the counties or even the cities where local newspapers are sold, and a map ...
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2answers
1k views

GDAL Conversion of US Topo GeoPDFs

I've used GDAL_translate with "--config GDAL_PDF_LAYERS" option to convert US Topo GeoPDFs to GeoTIFF and it works great for creating collarless topos based on the new format. However, I can't get it ...
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1answer
396 views

Determining projection of Texas county shapefile?

I have a Shapefile of San Jacinto County in Texas. It thinks it is NAD83 UTM Zone 15N, but the dataset isn't jiving with any other dataset. Max X: 1,073,721 Max Y: 11,223,970 Min X: 895,728 ...
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1answer
202 views

Setting the Geometry with sql query

I am trying to merge data from a U.S. states shapefile with data on each state. I used this SQL query which is supposed to work: SELECT * FROM child_poverty_by_state UPDATE child_poverty_by_state ...
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1answer
31 views

Census data 5-year estimate for the United States

I am looking to download demographic data 5-year estimate based on census tract for the whole United States. The census website has the information, however, it does not let me to select the whole ...
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2answers
80 views

How do you bring a DOQQ into your dataframe

I have a DOQQ aerial photo that is orthorectified. I would like to bring it into the dataframe to digitize building and streets and create feature layers.
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3answers
539 views

Where/how can I find/buy/make building footprints for Kent County, MI (Grand Rapids, Wisconsin, etc)?

We need building footprints for Kent County, MI along with their associated street addresses. Primarily we're looking for Grand Rapids and some of Wisconsin, MI, but if someone had access to this ...
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0answers
132 views

Insanely large house numbers in TIGER data

I'm parsing the US TIGER data and I'm coming across huge house numbers. example: 10100005 Thousand oaks drive, st johns, florida Google maps, and open street maps - nominatim says this is valid! Im ...
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1answer
105 views

Adjusting for road surface in Network Analyst? [closed]

I'm building a street network dataset and want to adjust the speed limit of certain segments to account for road surface (paved vs. unpaved). Are there any guidelines/rules for doing this (e.g. an ...
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1answer
233 views

Loading Tiger & ACS Data Into CartoDB

Does anyone have experience loading the pre-joined TIGER shape files and ACS 5 year data files by block group into CartoDB? I have downloaded the data from http://www.census.gov/geo/maps-data/data/...
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1answer
414 views

How to translate 1980 US Census Place Code to post 1990 Place FIPS?

US Census PLaces are coded differently pre-1990 and post-1990, after the introduction of FIPS Code. For instance, for Albertville, AL: Pre-1990 : Place Code - PLACEA : 0030 Post-1990: Place FIPS - ...
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1answer
610 views

Is it possible to get the positions of all the stoplights for a given area?

I would like to know if there is a database of longitude and latitude values that locate all stoplights for a given area in the US like a city or a state? How would one go about obtaining this info? ...
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1answer
269 views

Excel/Google Docs > Plss Map [closed]

Is there a way to map out PLSS (Public Land Survey System) TWP (township),RNG (range) and Section based off a field in google docs? I was thinking if you had your first column with the PLSS area in ...
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1answer
927 views

When is an address in a new subdivision available for mail delivery?

I have customers that are complaining that some addresses validate on the USPS validation site (https://tools.usps.com/go/ZipLookupAction!input.action) but my geocoding vendor can't geocode the ...
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1answer
119 views

Raw State Data on Health and Social Outcomes

I am looking for raw health and social outcome data (poverty, obesity, education levels, etc.) by state. I would like to download it as a csv or excel file. It needs to have the state fips listed in ...
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1answer
102 views

Ohio DNR Oil Gas Lat / Long Conversion in ArcGIS 10.1

Is anyone familiar with the Ohio Oil Well Search off their website? For the Lat/Long, they have WH_X and WH_Y. The numbers in their do not match up with the actual Lats/Longs off the OHio Well ...
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0answers
105 views

Looking for USA roads traffic load data

I would like to make a map of the USA Roads with traffic load data (I don't care if it updates monthly , quarterly...) in order to analyze location of customer's shops (they sell vehicle parts and ...
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2answers
312 views

How I relate Census Blocks to FIPS Division/Subdivisions

I need to be able to relate a Census Block to it's corresponding FIPS Division and Subdivision and I have not found any data file or reference to help me identify that relationship, can you help?

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